/Engine/Source/Runtime/ApplicationCore/Public/GenericPlatform/GenericPlatformInputDeviceMapper.h
Callback for handling an Input Device pairing change.
typedef TMulticastDelegate_ThreeParams< void, [FInputDeviceId](API\Runtime\Core\Misc\FInputDeviceId), [FPlatformUserId](API\Runtime\Core\Misc\FPlatformUserId), [FPlatformUserId](API\Runtime\Core\Misc\FPlatformUserId) > FOnUserInputDevicePairingChange